Seiko Cal. 0731 - 533

Seiko 0731-533

This Automatic model from 1971 features a 42mm Two-Tone case. Powered by the 0731 caliber with 28j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-795a2d8fea9f]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
42mm
Case Thickness
9.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
170m
Dial Color
White
Jewels
28j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1971

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